A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts for compression-ignition internal combustion piston engines (diesel), nesoi
NSN 5990-01-462-1617
NSN 5935-00-050-1322
NSN 6240-01-277-6510
NSN 6110-01-260-0032
NSN 2925-01-648-6859
NSN 5999-00-779-3613
NSN 5925-01-093-4981
NSN 5996-00-377-9464
NSN 6220-01-322-7443
NSN 5990-00-989-6839
NSN 5920-01-626-1606
NSN 5960-01-505-2426